CN111990807B - Aluminum ergonomic seat support structure and rapid assembly method thereof - Google Patents
Aluminum ergonomic seat support structure and rapid assembly method thereof Download PDFInfo
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- CN111990807B CN111990807B CN202010901968.7A CN202010901968A CN111990807B CN 111990807 B CN111990807 B CN 111990807B CN 202010901968 A CN202010901968 A CN 202010901968A CN 111990807 B CN111990807 B CN 111990807B
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- bearing
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims 1
- 230000033228 biological regulation Effects 0.000 description 2
- 210000001217 buttock Anatomy 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
- A47C1/0242—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination by electric motors
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/18—Chairs or stools with rotatable seat
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/20—Chairs or stools with vertically-adjustable seats
- A47C3/34—Chairs or stools with vertically-adjustable seats with pins coacting with holes or bolt-and-nut adjustment
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
- A47C7/004—Chair or stool bases for chairs or stools with central column, e.g. office chairs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
- A47C7/006—Chair or stool bases with castors
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
- A47C7/14—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
- A47C7/18—Seat parts having foamed material included in cushioning part
- A47C7/185—Seat parts having foamed material included in cushioning part with a stiff, rigid support
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/38—Support for the head or the back for the head
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/54—Supports for the arms
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Special Chairs (AREA)
Abstract
The invention discloses an aluminum ergonomic seat supporting structure and a rapid assembly method thereof, and relates to the technical field of seats. The invention comprises a supporting mechanism, wherein a top mechanism is inserted above the supporting mechanism, the supporting mechanism and the top mechanism are fixed through a connecting component, the supporting mechanism comprises a bottom plate, the bottom plate is circular in shape, an arc-shaped convex plate is fixedly arranged above the bottom plate, universal wheels are fixedly arranged below the bottom plate, a central plate is embedded in the middle of the upper part of the arc-shaped convex plate, the central plate is square in shape, a first bearing is arranged above the central plate, and a supporting column is arranged above the first bearing. According to the invention, through the combined use of the second annular groove, the second bearing and the reinforcing rod, the support column can be supported under the condition that the rotation of the support column is not affected, the support column is prevented from tilting to cause the damage of the seat, and the second annular groove, the second bearing and the reinforcing rod can support the support column, so that the support column can bear larger force.
Description
Technical Field
The invention belongs to the technical field of seats, and particularly relates to an aluminum ergonomic seat supporting structure and a rapid assembly method thereof.
Background
Office chairs are various chairs equipped for convenience in daily work and social activities. Office chairs are divided into a narrow sense and a broad sense by office partners, wherein the narrow sense office chair refers to a backrest chair for a person to sit on when the person performs a tabletop work in a sitting posture state, and the broad sense office chair refers to all chairs used in offices, including office chairs, middle office chairs, guest chairs, staff chairs, conference chairs, visitor chairs, training chairs and ergonomic chairs. The ergonomic chair is designed to be elegant, unique, fashionable and light, and is a novel environment-friendly healthy chair commonly applied to modern families, entertainment, internet bars, hotels, leisure, meeting rooms, office computer desks and the like. The design principle is released naturally, the regulation is humanized, is suitable for the regulation of various body types; the material is mainly environment-friendly.
The ergonomic chair mainly adopts elastic environment-friendly materials such as mesh cloth, environment-friendly cloth, high-quality memory cotton and the like to manufacture a cushion and a chair back, and is very suitable for the development of new trend of future furniture in process design. Has good ventilation and heat dissipation characteristics, is comfortable and healthy, and can prevent the growth environment of bacteria generated in the use process of the chair. Can reduce the compression area of the back and the buttocks, press the acupoints at the stressed position, promote the blood circulation of the back and the buttocks, avoid the strain of the neck, the shoulder and the waist and keep the health of people.
At present, the support column supporting performance of the existing ergonomic chair in the market is poor, and when a large force acts on the support column, the support column is easy to damage, so that the support column of the existing ergonomic chair is required to be supported, and the support column is prevented from being damaged.
Disclosure of Invention
The invention aims to provide an aluminum ergonomic seat support structure and a rapid assembly method thereof, which solve the problem of poor support effect of the existing aluminum ergonomic seat through the combined use of a second annular groove, a second bearing and a reinforcing rod.
In order to solve the technical problems, the invention is realized by the following technical scheme:
The invention relates to an aluminum ergonomic seat supporting structure, which comprises a supporting mechanism, wherein a top mechanism is inserted above the supporting mechanism, and the supporting mechanism and the top mechanism are fixed through a connecting component;
The supporting mechanism comprises a bottom plate, wherein the bottom plate is circular in shape, an arc-shaped convex plate is fixedly arranged above the bottom plate, a universal wheel is fixedly arranged below the bottom plate, a central plate is embedded in the middle of the upper part of the arc-shaped convex plate, the central plate is square in shape, a first bearing is arranged above the central plate, a supporting column is arranged above the first bearing, a first annular groove is arranged at the bottom end of the supporting column, an inner ring of the first bearing is positioned inside the first annular groove and is fixedly connected with the first annular groove, the lower surface of an outer ring of the first bearing is fixedly connected with the upper surface of the central plate, a rectangular slot is formed in the top end face of the supporting column, a first spring is arranged inside the rectangular slot, and two jacks are formed in the top end of the supporting column;
The top mechanism comprises a top plate, a rectangular inserting rod is fixedly arranged on the lower surface of the top plate and perpendicular to the lower surface of the top plate, a plurality of positioning holes are formed in the rectangular inserting rod, the bottom end of the rectangular inserting rod is inserted into the rectangular inserting groove, the bottom end face of the rectangular inserting rod is in contact with the top end of the first spring, the connecting assembly comprises a bolt, the bolt penetrates through the inserting hole and the positioning hole to be fixed through a screw cap, the top mechanism further comprises a seat plate, the seat plate is located right above the top plate, the top plate is connected with the seat plate through four buffer pieces, a backrest is connected with the rear side of the upper surface of the seat plate in a rotating mode, the seat plate is connected with the backrest through an electric telescopic rod, the bottom end of the electric telescopic rod is connected with the rear surface of the seat plate through a hinged seat in a rotating mode, and the top end of the electric telescopic rod is connected with the back of the backrest through a hinged seat in a rotating mode.
Preferably, the number of the universal wheels is four, and the four universal wheels are arranged in a square shape.
Preferably, a second annular groove is formed in the circumferential side face of the support column and located between the first annular groove and the insertion hole, a second bearing is sleeved on the outer side of the support column, an inner ring of the second bearing is located in the second annular groove and fixedly connected with the second annular groove, a plurality of reinforcing rods are fixedly mounted on an outer ring of the second bearing, and one end, far away from the second bearing, of each reinforcing rod is fixedly mounted on the arc-shaped convex plate.
Preferably, the number of the reinforcing rods is four, and the four reinforcing rods are distributed in a ring shape.
Preferably, the buffer member comprises a sleeve, a first connecting plate is fixedly arranged at the bottom end of the sleeve, a sliding column penetrates through the top end of the sleeve, an inner circular plate is fixedly arranged at one end of the sliding column, the inner circular plate is located inside the sleeve and is in sliding fit with the sleeve, a second connecting plate is fixedly arranged at one end, far away from the inner circular plate, of the sliding column, a second spring is sleeved between the sleeve and the second connecting plate, the first connecting plate is rotationally connected with the upper surface of the top plate through a hinged support, and the second connecting plate is rotationally connected with the lower surface of the seat plate through the hinged support.
Preferably, two groups of guide assemblies are further arranged between the top plate and the seat plate, each guide assembly comprises a guide column, the top end face of each guide column is fixedly connected with the lower surface of the seat plate, the bottom end of each guide column penetrates through the top plate, a baffle is fixedly mounted on the bottom end face of each guide column, and a third spring is sleeved between the peripheral side face of each guide column and the top plate and the seat plate.
Preferably, two through holes matched with the guide posts are formed in the top plate, the inner diameter of each through hole is the same as the diameter of each guide post, and the inner wall of each through hole and the peripheral side face of each guide post are smooth.
Preferably, the shape of the baffle is circular, the diameter of the baffle is larger than that of the guide post, and the difference is between 2 cm and 4 cm.
Preferably, the two sides of the seat plate are fixedly provided with armrests, the armrests are U-shaped, the upper surface of the seat plate is fixedly provided with a cushion, the cushion is a member made of rubber, the top end of the backrest is fixedly provided with a connecting block, and the top end of the connecting block is fixedly provided with a headrest.
Preferably, a method of assembling an aluminum ergonomic seat support structure includes the steps of:
SS001: firstly, a worker screws a universal wheel with a threaded column at the bottom end of a bottom plate with a threaded groove;
SS002: after the universal wheel is assembled, the staff aligns the rectangular inserting rod at the bottom end of the top mechanism with the rectangular inserting groove, then inserts the rectangular inserting rod at the bottom end of the top mechanism into the rectangular inserting groove, at the moment, the bottom end face of the rectangular inserting rod is contacted with the top end of the first spring, and then adjusts the whole height of the top mechanism to enable the top mechanism to be at a proper height;
SS003: at the moment, a worker presses down the top mechanism to enable the top mechanism to be pressed to a proper position, at the moment, the first spring is in a compressed state, then the bolt penetrates through the insertion hole and the positioning hole, and finally the nut is screwed on the bolt.
SS004: after the integral height of the top mechanism is adjusted, a worker starts a control switch of the electric telescopic rod, and the electric telescopic rod drives the backrest to rotate, so that the inclination angle of the backrest is adjusted, and the backrest is positioned at a proper inclination angle.
Compared with the related art, the aluminum ergonomic seat support structure and the rapid assembly method thereof provided by the invention have the following beneficial effects:
1. According to the invention, the four universal wheels which are annularly distributed are arranged below the bottom plate, so that the flexibility of the aluminum ergonomic chair is greatly improved, and when the aluminum ergonomic chair is required to be shifted, the aluminum ergonomic chair is only required to be pushed, and manual carrying is not required, so that the labor amount is greatly reduced, and the aluminum ergonomic chair is easy to be brought to the market.
2. The invention can rotate the support column on the central plate through the combination of the first bearing, the support column and the first annular groove, thereby enabling a worker sitting on the top mechanism to rotate randomly in the horizontal direction and greatly improving the comfort level of the aluminum ergonomic chair.
3. According to the invention, by arranging the first spring, when the height of the top mechanism needs to be adjusted, a worker only needs to control the force for pressing the top mechanism to enable the top mechanism to be pressed to a proper position, then the bolt passes through the jack and the positioning hole, and finally the nut is screwed on the bolt.
4. According to the invention, through the combined use of the second annular groove, the second bearing and the reinforcing rod, the support column can be supported under the condition that the rotation of the support column is not affected, the support column is prevented from tilting to cause the damage of the seat, and the second annular groove, the second bearing and the reinforcing rod can support the support column, so that the support column can bear larger force.
5. The invention can manually adjust the overall height of the top mechanism through the combination of the support column, the rectangular slot, the jack, the rectangular inserting rod, the positioning hole and the connecting component, thereby enabling the top mechanism to be suitable for people with different heights, greatly improving the application range of the invention, and having simple height adjusting mode and lower cost.
6. According to the invention, the buffer piece is arranged, so that a worker sitting on the seat plate is more comfortable, when an object impacts the top mechanism, the buffer piece can buffer impact force, and the worker sitting on the seat plate cannot be impacted greatly, so that the comfort of the invention is greatly improved.
7. According to the invention, through the combined use of the seat plate, the backrest and the electric telescopic rod, the inclination of the backrest can be adjusted, so that a worker sitting on the seat plate is more comfortable.
Drawings
FIG. 1 is a schematic structural view of an aluminum ergonomic seat support structure;
FIG. 2 is a side view of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a cross-sectional view of the support mechanism of the present invention;
FIG. 5 is a schematic view of the overall structure of the top mechanism of the present invention;
FIG. 6 is a side view of the top mechanism of the present invention;
fig. 7 is a cross-sectional view of a bumper of the present invention.
Reference numerals in the drawings: 1. a support mechanism; 101. a bottom plate; 102. an arc-shaped convex plate; 103. a universal wheel; 104. a center plate; 105. a first bearing; 106. a support column; 107. a first annular groove; 108. rectangular slots; 109. a first spring; 110. a jack; 111. a second annular groove; 112. a second bearing; 113. a reinforcing rod; 2. a top mechanism; 201. a top plate; 202. a rectangular insert rod; 203. positioning holes; 204. a seat plate; 205. a buffer member; 2051. a sleeve; 2052. a first connection plate; 2053. a sliding column; 2054. an inner circular plate; 2055. a second connecting plate; 2056. a second spring; 206. a guide post; 207. a baffle; 208. a third spring; 209. a backrest; 210. an electric telescopic rod; 211. an armrest; 212. a cushion; 213. a connecting block; 214. a headrest; 3. a connection assembly; 301. a bolt; 302. and (5) a screw cap.
Detailed Description
The invention will be further described with reference to the drawings and embodiments.
Referring to fig. 1, 2, 3, 4, 5, 6 and 7 in combination, fig. 1 is a schematic structural view of an ergonomic support structure for a seat made of aluminum; FIG. 2 is a side view of the present invention; FIG. 3 is an exploded view of the present invention; FIG. 4 is a cross-sectional view of the support mechanism of the present invention; FIG. 5 is a schematic view of the overall structure of the top mechanism of the present invention; FIG. 6 is a side view of the top mechanism of the present invention; fig. 7 is a cross-sectional view of a bumper of the present invention. The invention relates to an aluminum ergonomic seat support structure, which comprises a support mechanism 1, wherein a top mechanism 2 is inserted above the support mechanism 1, and the support mechanism 1 and the top mechanism 2 are fixed through a connecting component 3;
The supporting mechanism 1 comprises a bottom plate 101, the bottom plate 101 is circular in shape, an arc-shaped convex plate 102 is fixedly arranged above the bottom plate 101, a universal wheel 103 is fixedly arranged below the bottom plate 101, a central plate 104 is embedded in the middle of the upper part of the arc-shaped convex plate 102, the central plate 104 is square in shape, a first bearing 105 is arranged above the central plate 104, a supporting column 106 is arranged above the first bearing 105, a first annular groove 107 is formed in the bottom end of the supporting column 106, an inner ring of the first bearing 105 is positioned inside the first annular groove 107 and is fixedly connected with the first annular groove 107, the lower surface of an outer ring of the first bearing 105 is fixedly connected with the upper surface of the central plate 104, a rectangular slot 108 is formed in the top end face of the supporting column 106, a first spring 109 is placed inside the rectangular slot 108, and two jacks 110 are formed in the top ends of the supporting column 106;
The top mechanism 2 comprises a top plate 201, a rectangular inserting rod 202 is fixedly arranged on the lower surface of the top plate 201, the rectangular inserting rod 202 is perpendicular to the lower surface of the top plate 201, a plurality of positioning holes 203 are formed in the rectangular inserting rod 202, the bottom end of the rectangular inserting rod 202 is inserted into the rectangular inserting groove 108, the bottom end face of the rectangular inserting rod 202 is in contact with the top end of the first spring 109, the connecting assembly 3 comprises a bolt 301, the bolt 301 penetrates through the inserting hole 110 and the positioning hole 203 to be fixed through a nut 302, the top mechanism 2 further comprises a seat 204, the seat 204 is located right above the top plate 201, the top plate 201 is connected with the seat 204 through four buffer pieces 205, a backrest 209 is rotatably connected to the rear side of the upper surface of the seat 204, the seat 204 is connected with the backrest 209 through an electric telescopic rod 210, the bottom end of the electric telescopic rod 210 is rotatably connected with the rear surface of the seat 204 through a hinge seat, and the top end of the electric telescopic rod 210 is rotatably connected with the back of the backrest 209 through a hinge seat.
Further, the number of the universal wheels 103 is four, and the four universal wheels 103 are arranged in a square shape.
Further, a second annular groove 111 is formed in the circumferential side surface of the support column 106 and located between the first annular groove 107 and the insertion hole 110, a second bearing 112 is sleeved on the outer side of the support column 106, an inner ring of the second bearing 112 is located inside the second annular groove 111 and is fixedly connected with the second annular groove 111, a plurality of reinforcing rods 113 are fixedly mounted on an outer ring of the second bearing 112, and one end, far away from the second bearing 112, of each reinforcing rod 113 is fixedly mounted on the arc-shaped convex plate 102.
Further, the number of the reinforcing rods 113 is four, and the four reinforcing rods 113 are distributed in a ring shape.
Further, the buffer member 205 includes a sleeve 2051, a first connection plate 2052 is fixedly installed at the bottom end of the sleeve 2051, a sliding column 2053 is penetrated at the top end of the sleeve 2051, an inner circular plate 2054 is fixedly installed at one end of the sliding column 2053, the inner circular plate 2054 is located inside the sleeve 2051 and is in sliding fit with the sleeve 2051, a second connection plate 2055 is fixedly installed at one end of the sliding column 2053 far away from the inner circular plate 2054, a second spring 2056 is sleeved between the circumferential side surface of the sliding column 2053 and the second connection plate 2055, the first connection plate 2052 is rotatably connected with the upper surface of the top plate 201 through a hinge, and the second connection plate 2055 is rotatably connected with the lower surface of the seat plate 204 through a hinge.
Further, two sets of guide assemblies are further disposed between the top plate 201 and the seat 204, the guide assemblies include a guide post 206, a top end surface of the guide post 206 is fixedly connected with a lower surface of the seat 204, a bottom end of the guide post 206 passes through the top plate 201, a baffle 207 is fixedly mounted on a bottom end surface of the guide post 206, and a third spring 208 is sleeved between the top plate 201 and the seat 204 on a peripheral side surface of the guide post 206.
Further, the top plate 201 is provided with two through holes matching with the guide posts 206, the inner diameter of the through holes is the same as the diameter of the guide posts 206, and the inner walls of the through holes and the peripheral sides of the guide posts 206 are smooth.
Further, the shape of the baffle 207 is circular, and the diameter of the baffle 207 is larger than the diameter of the guide post 206, and the difference is between 2 cm and 4 cm.
Further, two sides of the seat 204 are fixedly provided with an armrest 211, the armrest 211 is in a U shape, the upper surface of the seat 204 is fixedly provided with a cushion 212, the cushion 212 is a rubber member, the top end of the backrest 209 is fixedly provided with a connecting block 213, and the top end of the connecting block 213 is fixedly provided with a headrest 214.
Further, a method of assembling an aluminum ergonomic seat support structure includes the steps of:
SS001: first, a worker screws a universal wheel 103 with a threaded column to the bottom end of a base plate 101 with a threaded groove;
SS002: after the universal wheel 103 is assembled, the staff aligns the rectangular inserting rod 202 at the bottom end of the top mechanism 2 with the rectangular inserting groove 108, then inserts the rectangular inserting rod 202 at the bottom end of the top mechanism 2 into the rectangular inserting groove 108, the bottom end surface of the rectangular inserting rod 202 contacts with the top end of the first spring 109, and then adjusts the overall height of the top mechanism 2 to enable the top mechanism 2 to be at a proper height;
SS003: at this time, the worker presses the top mechanism 2 downwards, so that the top mechanism 2 is pressed to a proper position, at this time, the first spring 109 is in a compressed state, then the bolt 301 passes through the insertion hole 110 and the positioning hole 203, and finally the nut 302 is screwed on the bolt 301;
SS004: after the overall height of the top mechanism 2 is adjusted, the operator activates the control switch of the electric telescopic rod 210, and the electric telescopic rod 210 drives the backrest 209 to rotate, so as to adjust the inclination angle of the backrest 209, and make the backrest 209 at a proper inclination angle.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (8)
1. An aluminum ergonomic seat support structure, characterized by: comprises a supporting mechanism (1), a top mechanism (2) is inserted above the supporting mechanism (1), the supporting mechanism (1) and the top mechanism (2) are fixed through a connecting component (3), the supporting mechanism (1) comprises a bottom plate (101), the bottom plate (101) is circular in shape, an arc-shaped convex plate (102) is fixedly arranged above the bottom plate (101), a universal wheel (103) is fixedly arranged below the bottom plate (101), a central plate (104) is embedded in the middle of the upper part of the arc-shaped convex plate (102), The shape of the center plate (104) is square, a first bearing (105) is arranged above the center plate (104), a support column (106) is arranged above the first bearing (105), a first annular groove (107) is formed in the bottom end of the support column (106), an inner ring of the first bearing (105) is positioned in the first annular groove (107) and fixedly connected with the first annular groove (107), the lower surface of an outer ring of the first bearing (105) is fixedly connected with the upper surface of the center plate (104), a rectangular slot (108) is formed in the top end face of the support column (106), A first spring (109) is arranged in the rectangular slot (108), two insertion holes (110) are formed in the top end of the supporting column (106), the top mechanism (2) comprises a top plate (201), a rectangular inserting rod (202) is fixedly arranged on the lower surface of the top plate (201), the rectangular inserting rod (202) is perpendicular to the lower surface of the top plate (201), a plurality of positioning holes (203) are formed in the rectangular inserting rod (202), the bottom end of the rectangular inserting rod (202) is inserted into the rectangular slot (108), the bottom end face of the rectangular inserting rod (202) is in contact with the top end of the first spring (109), The connecting component (3) comprises a bolt (301), the bolt (301) passes through the jack (110) and the positioning hole (203) to be fixed through a nut (302), the top mechanism (2) further comprises a seat (204), the seat (204) is positioned right above the top plate (201), the top plate (201) and the seat (204) are connected through four buffer pieces (205), the back (209) is rotationally connected to the rear side of the upper surface of the seat (204), the seat (204) and the back (209) are connected through an electric telescopic rod (210), the bottom end of the electric telescopic rod (210) is rotationally connected with the rear surface of the seat (204) through a hinged seat, The top end of the electric telescopic rod (210) is also rotationally connected with the back of the backrest (209) through a hinged support, a second annular groove (111) is formed between the first annular groove (107) and the jack (110) on the peripheral side surface of the supporting column (106), a second bearing (112) is sleeved on the outer side of the supporting column (106), the inner ring of the second bearing (112) is positioned in the second annular groove (111) and fixedly connected with the second annular groove (111), a plurality of reinforcing rods (113) are fixedly arranged on the outer ring of the second bearing (112), one end, far away from the second bearing (112), of each reinforcing rod (113) is fixedly arranged on the arc-shaped convex plate (102), The buffer piece (205) comprises a sleeve (2051), a first connecting plate (2052) is fixedly arranged at the bottom end of the sleeve (2051), a sliding column (2053) is penetrated at the top end of the sleeve (2051), an inner circular plate (2054) is fixedly arranged at one end of the sliding column (2053), the inner circular plate (2054) is positioned in the sleeve (2051) and is in sliding fit with the sleeve (2051), a second connecting plate (2055) is fixedly arranged at one end of the sliding column (2053) far away from the inner circular plate (2054), a second spring (2056) is sleeved between the circumferential side surface of the sliding column (2053) and the second connecting plate (2055), The first connecting plate (2052) is rotatably connected with the upper surface of the top plate (201) through a hinge support, and the second connecting plate (2055) is rotatably connected with the lower surface of the seat plate (204) through a hinge support.
2. An ergonomic seating support structure made of aluminum according to claim 1, characterized in that said number of universal wheels (103) is four, four said universal wheels (103) being arranged in a square.
3. An ergonomic seat support structure made of aluminium according to claim 1, characterized in that said reinforcing bars (113) are four in number, four of said reinforcing bars (113) being distributed in a ring shape.
4. The supporting structure of an ergonomic chair made of aluminum according to claim 1, wherein two groups of guide assemblies are further arranged between the top plate (201) and the seat plate (204), the guide assemblies comprise a guide column (206), the top end face of the guide column (206) is fixedly connected with the lower surface of the seat plate (204), the bottom end of the guide column (206) penetrates through the top plate (201), a baffle plate (207) is fixedly arranged on the bottom end face of the guide column (206), and a third spring (208) is sleeved between the top plate (201) and the seat plate (204) on the peripheral side face of the guide column (206).
5. The ergonomic chair support structure of claim 4 wherein the top plate (201) has two through holes matching the guide posts (206), the inner diameter of the through holes is the same as the diameter of the guide posts (206), and the inner walls of the through holes and the peripheral sides of the guide posts (206) are smooth.
6. An ergonomic seating support structure made of aluminum according to claim 4, characterized in that said baffle (207) is circular in shape, said baffle (207) having a diameter greater than the diameter of the guide post (206) and a difference between 2 and 4 cm.
7. The supporting structure of an ergonomic chair made of aluminum according to claim 4, wherein two sides of the seat (204) are fixedly provided with an armrest (211), the armrest (211) is in a U shape, a seat cushion (212) is fixedly arranged on the upper surface of the seat (204), the seat cushion (212) is a rubber member, a connecting block (213) is fixedly arranged at the top end of the backrest (209), and a headrest (214) is fixedly arranged at the top end of the connecting block (213).
8. A method of assembling an aluminum ergonomic seat support structure of any one of claims 1-7 comprising the steps of:
SS001: firstly, a worker screws a universal wheel (103) with a threaded column to the bottom end of a bottom plate (101) with a threaded groove;
SS002: after the universal wheel (103) is assembled, the staff aligns the rectangular inserting rod (202) at the bottom end of the top mechanism (2) to the rectangular inserting groove (108), then inserts the rectangular inserting rod (202) at the bottom end of the top mechanism (2) into the rectangular inserting groove (108), the bottom end surface of the rectangular inserting rod (202) is contacted with the top end of the first spring (109), and then adjusts the overall height of the top mechanism (2) to enable the top mechanism (2) to be at a proper height;
SS003: at the moment, a worker presses the top mechanism (2) downwards, so that the top mechanism (2) is pressed to a proper position, the first spring (109) is in a compressed state, then the bolt (301) passes through the jack (110) and the positioning hole (203), and finally the nut (302) is screwed on the bolt (301), and the height of the top mechanism (2) is conveniently adjusted by arranging the first spring (109), so that the working efficiency is greatly improved;
SS004: after the integral height of the top mechanism (2) is adjusted, a worker starts a control switch of the electric telescopic rod (210), and the electric telescopic rod (210) drives the backrest (209) to rotate, so that the inclination angle of the backrest (209) is adjusted, and the backrest (209) is at a proper inclination angle.
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